IRCT201406094443N11 IRCT 2015-01-18 Tehran University of Medical Scinces Effect of education based on illness perception in heart failure patient Investigation effect of education based on illness perception on self-care behavior and quality of life in heart failure patient 2014-04-21 anticipated 76 Complete https://irct.ir/trial/4753 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention. N/A Heart failure. Intervention 1: In control group just will receive regular care, without any intervention. Intervention 2: In intervention group, On second day of admitting, Will be done correcting illness perception intervention in 3 sessions, for consecutive days, About 30 minute. Its exact content will be individualized according to patients’ Responses on the illness Perception Questionnaire. First session consist of a brief explanation of the pathophysiology of ACS, Common symptoms, exploring the patient’s perception about the cause and factors that may have contributed to the development of the ACS, The second session build on the causes will identify by the patient and focus on developing action plan of minimizing future risk by altering risk factors, In the third session, This action plan will be reviewed and symptoms of recovery and warning signs, Concerns the patient about their medication will be discussed and a booklet will be given. Then intervention group will be followed by telephone contacts at afternoons every week in 8 weeks after discharge.